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math.NA2017★ 9 cited
A constructive approach to Schaeffer's conjecture
Oleg Szehr, Rachid Zarouf
J.J. Schaeffer proved that for induced matrix norm and invertible the inequality \[\left|\det T\right|\left\Vert T^{-1}\right\Vert \leq\mathcal{S}\left\Vert T\…
math.NA2015★ 10 cited
Maximum of the resolvent over matrices with given spectrum
Oleg Szehr, Rachid Zarouf
In numerical analysis it is often necessary to estimate the condition number and the norm of the resolvent of a given $n\tim…